1978 | Report of investigations (United States. Bureau of Mines) ; 8302
Description:
"The Bureau of Mines has developed hardware for electromagnetic (EM) detection and location of miners trapped in underground coal mines. This report d...
1985 | Report of investigations (United States. Bureau of Mines) ; 8975
Description:
"The objective of this Bureau of Mines research was to compare the size distribution of respirable quartz collected at coal mines with that of several...
Links with this icon indicate that you are leaving the CDC website.
The Centers for Disease Control and Prevention (CDC)
cannot attest to the accuracy of a non-federal website.
Linking to a non-federal Website does not constitute an
endorsement by CDC or any of its employees of the sponsors
or the information and products presented on the website.
You will be subject to the destination website's privacy
policy when you follow the link.
CDC is not responsible for Section 508 compliance
(accessibility) on other federal or private websites.
For more information on CDC's web notification policies, see Website Disclaimers.